<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>错误页面</title>
    <style type="text/css">
        #main {
            font-family: Consolas,serif;
            text-align: center;
            margin: auto;
            position: absolute;
            width: 350px;
            height: 350px;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
        }
        #code {
            font-size: 100px;
        }
        #error {
            font-size: 20px;
        }
    </style>
</head>
<body>

<div id="main">
    <strong>
        <span id="code">404</span>
        <span id="error">not found</span>
    </strong>
    <h2>页面不存在或您没有访问权限</h2>
    <a href="index.html">返回首页</a>
</div>

</body>
</html>